program b;
var
m: , i, j, n: integer;
a: array of integer;
m := 0;
begin
for i := 1 to n do
for j := i to n do
if a[i] = a[j] then
if abs(i - j) > m then
begin
m := abs(i - j);
t := i;
k := j;
end;
writeln('Element = ', a[t]);
writeln('Index = ', t, ' and ', k);
end.